:root{--color-primary:#004691;--color-primary-hover:#003a75;--color-primary-dark:#003570;--color-primary-alpha-18:#0046912e;--color-primary-alpha-25:#00469140;--color-sky-50:#f5f9fd;--color-sky-100:#eef4fb;--color-sky-200:#dce9f7;--color-sky-300:#b8d4ec;--color-sky-glow:#b8e8ff;--color-sky-sparkle:#c8ecff;--color-sky:var(--color-sky-300);--color-white:#fff;--color-text:#1a1a1a;--color-text-secondary:#555;--color-text-muted:#666;--color-text-subtle:#888;--color-text-disabled:#bbb;--color-border:#e0e0e0;--color-border-light:#e8e8e8;--color-border-input:#ccc;--color-border-admin:#d0d8e0;--color-surface:#fff;--color-surface-muted:#f5f5f5;--color-surface-subtle:#fafbfc;--color-toggle-track-off:#e9e9ea;--color-error:#c62828;--color-error-bg:#ffebee;--color-error-border:#c6282833;--color-success:#2e7d32;--color-overlay:#00000073;--color-shadow-md:#0000002e;--color-shadow-sm:#0000001f;--color-shadow-toggle:#0003;--color-nav-scrim:#00244980;--color-nav-shadow:#0024492e;--color-on-primary-border:#ffffff59;--color-on-primary-border-strong:#ffffff80;--color-on-primary-surface:#fffffff2;--color-on-primary-muted:#ffffff26;--color-on-primary-subtle:#ffffff1a;--color-on-primary-hover:#ffffff2e;--color-on-primary-text-dim:#ffffff80;--dentsu-blue:var(--color-primary);--dentsu-blue-dark:var(--color-primary-dark);--dentsu-sky-blue:var(--color-sky);--white:var(--color-white);--text-dark:var(--color-text);--font-sans:var(--font-noto-sans-jp), "Noto Sans JP", sans-serif;--frame-width:clamp(6px, 1.2vw, 10px);--footer-height:clamp(84px, 13vh, 150px)}
*,:before,:after{box-sizing:border-box}body{font-family:var(--font-sans);color:var(--text-dark);background:var(--dentsu-blue);margin:0}img{display:block}button{cursor:pointer;font-family:inherit}button:disabled{opacity:.5;cursor:not-allowed}input,select,textarea{border:1px solid var(--color-border-input);border-radius:4px;padding:.75rem 1rem;font-family:inherit;font-size:1rem}input:focus,select:focus,textarea:focus{outline:2px solid var(--dentsu-blue);outline-offset:2px}.btn-primary{background:var(--dentsu-blue);color:var(--white);border:none;border-radius:4px;justify-content:center;align-items:center;padding:.875rem 2rem;font-size:1rem;font-weight:600;text-decoration:none;transition:background .2s;display:inline-flex}.btn-primary:hover{background:var(--dentsu-blue-dark)}.btn-secondary{background:var(--white);color:var(--dentsu-blue);border:2px solid var(--dentsu-blue);border-radius:4px;justify-content:center;align-items:center;padding:.875rem 2rem;font-size:1rem;font-weight:600;text-decoration:none;transition:background .2s,color .2s;display:inline-flex}.btn-secondary:hover{background:var(--dentsu-blue);color:var(--white)}.form-group{margin-bottom:1.5rem}.form-group label{color:var(--dentsu-blue);margin-bottom:.5rem;font-weight:600;display:block}.form-group-heading{color:var(--dentsu-blue);margin:0 0 .5rem;font-weight:600}.form-group .hint{color:var(--color-text-muted);margin-top:.35rem;font-size:.875rem}.form-error{color:var(--color-error);margin-top:.35rem;font-size:.875rem}.form-select{border:2px solid var(--color-border);background-color:var(--white);width:100%;max-width:480px;color:var(--text-dark);cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23004691' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");background-position:right 1rem center;background-repeat:no-repeat;padding-right:2.5rem;transition:border-color .2s,background-color .2s}.form-select:hover{border-color:var(--dentsu-blue);background-color:var(--color-sky-50)}.form-select:focus{border-color:var(--dentsu-blue);background-color:var(--color-sky-100)}.form-select:invalid{color:var(--color-text-muted)}.char-count{text-align:right;color:var(--color-text-muted);margin-top:.35rem;font-size:.875rem}.char-count.over{color:var(--color-error);font-weight:600}.message-body{white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word}.message-preview{background:var(--color-sky-50);border-radius:4px;margin:0;padding:1.5rem;line-height:1.8}
.page-layout{border:4px solid var(--white);background:var(--dentsu-blue);flex-direction:column;min-height:100dvh;display:flex}.page-layout--cover .page-layout__main{background:var(--dentsu-blue);flex-direction:column;flex:1;justify-content:center;align-items:center;padding:clamp(2rem,5vh,4rem) clamp(1.5rem,5vw,3rem);display:flex;position:relative}.cover-content{flex-direction:column;align-items:center;width:min(100%,400px);display:flex}.cover-logo{width:min(55vw,380px)}.cover-title{color:var(--white);letter-spacing:.04em;text-align:center;margin:clamp(1.5rem,4vh,2.5rem) 0 0;font-size:clamp(1.125rem,3.5vw,1.5rem);font-weight:700;line-height:1.65}.cover-form{flex-direction:column;align-self:center;gap:1.25rem;width:min(100%,400px);margin-top:clamp(2rem,5vh,3rem);display:flex}.cover-form .form-group{margin-bottom:0;width:60%;margin-inline:auto}.cover-form .form-group label{color:var(--white);margin-bottom:.35rem;font-size:.9375rem;font-weight:400;display:block}.cover-form input{background:var(--white);width:100%;color:var(--text-dark);border:none;border-radius:0;padding:.65rem .85rem;display:block}.cover-form input:focus{outline-offset:0;outline:2px solid #ffffff8c}.cover-form__submit{background:var(--color-primary-dark);width:100%;color:var(--white);border:none;border-radius:0;justify-content:center;align-items:center;margin-top:clamp(1.25rem,3vh,2rem);padding:.95rem 2rem;font-size:1rem;font-weight:600;transition:background .2s;display:flex}.cover-form__submit:hover:not(:disabled){background:var(--color-primary-hover)}.cover-form__submit:disabled{opacity:.5;cursor:not-allowed}.cover-form .form-error{color:#ffcdd2;text-align:center;margin:0;font-size:.875rem}.page-layout--content{background:var(--dentsu-blue)}.page-layout--content .page-layout__main{background:var(--white);border:var(--frame-width) solid var(--dentsu-blue);border-bottom:none;flex:1;margin:0;padding:clamp(1.5rem,4vw,2.5rem) clamp(1.5rem,5vw,4rem);overflow-y:auto}.page-layout--content .page-layout__main--admin{flex-direction:column;min-width:0;padding:0;display:flex}.page-layout__footer{height:var(--footer-height);background:var(--white);flex-shrink:0;position:relative}.page-layout--content .page-layout__footer{border:var(--frame-width) solid var(--dentsu-blue);border-top:none}.brand-logo img{width:100%;height:auto;display:block}.page-layout__footer-logo{width:clamp(72px,11vw,110px);position:absolute;bottom:clamp(.35rem,1.5vh,.75rem);right:clamp(1rem,3vw,2rem)}.page-layout--cover .page-layout__footer-logo{width:clamp(88px,13vw,130px)}.posts-toolbar{justify-content:flex-end;margin:-.25rem 0 .75rem;display:flex}.posts-toolbar__logout{border:1px solid var(--dentsu-blue);color:var(--dentsu-blue);cursor:pointer;white-space:nowrap;background:0 0;border-radius:4px;padding:.35rem .75rem;font-size:.875rem;transition:background .2s,color .2s}.posts-toolbar__logout:hover{background:var(--dentsu-blue);color:var(--white)}.content-header{align-items:center;margin-bottom:2rem;display:flex}.content-header__logo{flex-shrink:0;align-self:center;align-items:center;width:clamp(64px,10vw,96px);margin-right:clamp(1rem,3vw,1.5rem);line-height:0;display:flex}.content-header .content-title{align-self:center;min-width:0;margin:0;line-height:1.15}.content-title{color:var(--dentsu-blue);letter-spacing:.02em;margin:0 0 2rem;font-size:clamp(1.5rem,4vw,2rem);font-weight:700}.content-lead{color:var(--text-dark);margin:0 0 2rem;line-height:1.75}.content-lead__dash{letter-spacing:0}.content-actions{flex-wrap:wrap;gap:1rem;margin-top:2rem;display:flex}.admin-nav{z-index:100;background:var(--dentsu-blue);color:var(--white);flex-shrink:0;align-items:center;gap:.75rem;padding:.75rem clamp(1rem,3vw,1.5rem);display:flex;position:relative}.admin-nav__brand{letter-spacing:.02em;margin-right:auto;font-size:1.05rem;font-weight:700;line-height:1.3}.admin-nav__desktop{flex-wrap:wrap;align-items:center;gap:clamp(.5rem,2vw,1.5rem);display:none}.admin-nav a{color:var(--white);border-radius:4px;padding:.35rem .75rem;font-size:.9375rem;text-decoration:none;transition:background .2s}.admin-nav a:hover,.admin-nav a.active{background:var(--color-on-primary-muted)}.admin-nav__logout{border:1px solid var(--color-on-primary-border-strong);color:var(--white);cursor:pointer;white-space:nowrap;background:0 0;border-radius:4px;padding:.35rem .75rem;font-size:.875rem}.admin-nav__logout:hover{background:var(--color-on-primary-subtle)}.admin-nav__menu-toggle{border:1px solid var(--color-on-primary-border-strong);width:2.5rem;height:2.5rem;color:var(--white);cursor:pointer;background:0 0;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;padding:0;display:flex}.admin-nav__menu-toggle:hover{background:var(--color-on-primary-subtle)}.admin-nav__menu-icon{flex-direction:column;justify-content:center;gap:5px;width:1.125rem;display:flex}.admin-nav__menu-icon span{background:currentColor;border-radius:1px;height:2px;transition:transform .2s,opacity .2s;display:block}.admin-nav__menu-toggle--open .admin-nav__menu-icon span:first-child{transform:translateY(7px)rotate(45deg)}.admin-nav__menu-toggle--open .admin-nav__menu-icon span:nth-child(2){opacity:0}.admin-nav__menu-toggle--open .admin-nav__menu-icon span:nth-child(3){transform:translateY(-7px)rotate(-45deg)}.admin-nav__backdrop{z-index:150;background:var(--color-nav-scrim);opacity:0;pointer-events:none;cursor:pointer;border:none;padding:0;transition:opacity .28s;position:fixed;inset:0}.admin-nav__backdrop--open{opacity:1;pointer-events:auto}.admin-nav__drawer{z-index:160;background:var(--white);width:min(20rem,88vw);height:100dvh;color:var(--text-dark);box-shadow:-8px 0 32px var(--color-nav-shadow);visibility:hidden;flex-direction:column;transition:transform .28s cubic-bezier(.4,0,.2,1);display:flex;position:fixed;top:0;right:0;transform:translate(100%)}.admin-nav__drawer--open{visibility:visible;transform:translate(0)}.admin-nav__drawer-header{background:var(--dentsu-blue);color:var(--white);justify-content:space-between;align-items:flex-start;gap:.75rem;padding:1.25rem 1rem 1.125rem;display:flex}.admin-nav__drawer-brand{flex-direction:column;gap:.2rem;min-width:0;display:flex}.admin-nav__drawer-brand-title{letter-spacing:.02em;font-size:1.125rem;font-weight:700;line-height:1.25}.admin-nav__drawer-brand-sub{opacity:.85;letter-spacing:.04em;font-size:.75rem;font-weight:500}.admin-nav__drawer-close{border:1px solid var(--color-on-primary-border);background:var(--color-on-primary-subtle);width:2.25rem;height:2.25rem;color:var(--white);cursor:pointer;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;padding:0;transition:background .15s;display:flex}.admin-nav__drawer-close svg{width:1.125rem;height:1.125rem}.admin-nav__drawer-close:hover{background:var(--color-on-primary-hover)}.admin-nav__drawer-body{flex:1;min-height:0;padding:1rem .75rem;overflow-y:auto}.admin-nav__drawer-section{letter-spacing:.08em;text-transform:uppercase;color:var(--color-text-subtle);margin:0 0 .5rem;padding:0 .75rem;font-size:.6875rem;font-weight:700}.admin-nav__drawer-list{flex-direction:column;gap:.25rem;margin:0;padding:0;list-style:none;display:flex}.admin-nav__drawer-item{color:var(--text-dark);border-radius:8px;align-items:center;gap:.75rem;padding:.8rem .875rem;font-size:.9375rem;font-weight:500;line-height:1.35;text-decoration:none;transition:background .15s,color .15s;display:flex}.admin-nav__drawer-item:hover{background:var(--color-sky-50);color:var(--dentsu-blue)}.admin-nav__drawer-item--active{background:var(--color-sky-100);color:var(--dentsu-blue);box-shadow:inset 3px 0 0 var(--dentsu-blue);font-weight:700}.admin-nav__drawer-item-icon{width:1.375rem;height:1.375rem;color:var(--dentsu-blue);opacity:.85;flex-shrink:0;justify-content:center;align-items:center;display:flex}.admin-nav__drawer-item-icon svg{width:1.25rem;height:1.25rem}.admin-nav__drawer-item--active .admin-nav__drawer-item-icon{opacity:1}.admin-nav__drawer-item-label{flex:1;min-width:0}.admin-nav__drawer-footer{padding:1rem .75rem calc(1rem + env(safe-area-inset-bottom,0px));border-top:1px solid var(--color-border-light);background:var(--color-surface-subtle)}.admin-nav__drawer-logout{border:1px solid var(--color-border-admin);background:var(--white);width:100%;color:var(--color-text-secondary);cursor:pointer;border-radius:8px;justify-content:center;align-items:center;gap:.5rem;padding:.7rem 1rem;font-size:.875rem;font-weight:600;transition:border-color .15s,color .15s,background .15s;display:flex}.admin-nav__drawer-logout svg{flex-shrink:0;width:1.125rem;height:1.125rem}.admin-nav__drawer-logout:hover{border-color:var(--dentsu-blue);color:var(--dentsu-blue);background:var(--color-sky-50)}@media (min-width:768px){.admin-nav__desktop{margin-left:auto;display:flex}.admin-nav__menu-toggle,.admin-nav__backdrop,.admin-nav__drawer{display:none}}.admin-content{flex:1;width:100%;min-width:0;max-width:1200px;margin:0 auto;padding:clamp(1.5rem,4vw,2rem)}
.post-list-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem 1.5rem;margin-bottom:1.5rem;display:flex}.post-list-header .content-header{margin-bottom:0}.post-list-export{justify-content:center;margin-top:2rem;margin-bottom:1.5rem;display:flex}.post-list-export-btn{white-space:nowrap}.post-detail-header .content-header{margin-bottom:0}.post-list-filter{flex-shrink:0;align-items:center;gap:.5rem;display:flex}.post-list-filter__label{color:var(--color-primary);white-space:nowrap;font-size:.875rem;font-weight:600}.post-list-filter-trigger{border:1px solid var(--color-border);background:var(--white);width:2.5rem;height:2.5rem;color:var(--dentsu-blue);cursor:pointer;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;padding:0;display:flex;position:relative}.post-list-filter-trigger:hover{border-color:var(--dentsu-blue);background:var(--color-sky-50)}.post-list-filter-trigger--active{border-color:var(--dentsu-blue);background:var(--color-sky-100)}.post-list-filter-trigger__dot{background:var(--dentsu-blue);border:2px solid var(--white);border-radius:50%;width:.5rem;height:.5rem;position:absolute;top:.35rem;right:.35rem}.admin-confirm-dialog__backdrop{z-index:320;background:var(--color-overlay);cursor:pointer;border:none;padding:0;position:fixed;inset:0}.admin-confirm-dialog__backdrop:disabled{cursor:not-allowed}.admin-confirm-dialog{z-index:330;pointer-events:none;justify-content:center;align-items:center;padding:1rem;display:flex;position:fixed;inset:0}.admin-confirm-dialog__panel{background:var(--color-white);width:min(22rem,100% - 2rem);box-shadow:0 12px 40px var(--color-shadow-md);pointer-events:auto;border-radius:8px}.admin-confirm-dialog__header{padding:1rem 1.25rem 0}.admin-confirm-dialog__title{color:var(--color-primary);margin:0;font-size:1rem;font-weight:700}.admin-confirm-dialog__message{color:var(--color-text);margin:0;padding:.75rem 1.25rem 1rem;font-size:.875rem;line-height:1.6}.admin-confirm-dialog__footer{gap:.5rem;padding:0 1.25rem 1.25rem;display:flex}.admin-confirm-dialog__cancel,.admin-confirm-dialog__confirm{cursor:pointer;border-radius:4px;flex:1;padding:.55rem 1rem;font-size:.875rem;font-weight:600}.admin-confirm-dialog__cancel{border:1px solid var(--color-border);background:var(--color-white);color:var(--color-text-muted)}.admin-confirm-dialog__cancel:hover:not(:disabled){border-color:var(--color-primary);color:var(--color-primary)}.admin-confirm-dialog__confirm--primary{background:var(--color-primary);color:var(--color-white);border:none}.admin-confirm-dialog__confirm--primary:hover:not(:disabled){background:var(--color-primary-hover)}.admin-confirm-dialog__confirm--danger{background:var(--color-error);color:var(--color-white);border:none}.admin-confirm-dialog__confirm--danger:hover:not(:disabled){filter:brightness(.92)}.admin-confirm-dialog__cancel:disabled,.admin-confirm-dialog__confirm:disabled{opacity:.55;cursor:not-allowed}.post-list-filter-modal__backdrop{z-index:300;background:var(--color-overlay);cursor:pointer;border:none;padding:0;position:fixed;inset:0}.post-list-filter-modal{z-index:310;pointer-events:none;justify-content:center;align-items:center;padding:1rem;display:flex;position:fixed;inset:0}.post-list-filter-modal__panel{background:var(--white);width:60vw;max-width:320px;height:60dvh;max-height:640px;box-shadow:0 12px 40px var(--color-shadow-md);pointer-events:auto;border-radius:8px;flex-direction:column;min-height:0;display:flex;overflow:hidden}.post-list-filter-modal__header{border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;padding:1rem 1rem .75rem;display:flex}.post-list-filter-modal__title{color:var(--dentsu-blue);margin:0;font-size:1rem;font-weight:700}.post-list-filter-modal__close{width:2rem;height:2rem;color:var(--color-text-muted);cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:0;font-size:1.5rem;line-height:1;display:flex}.post-list-filter-modal__close:hover{background:var(--color-surface-muted);color:var(--text-dark)}.post-list-filter-modal__footer{border-top:1px solid var(--color-border);gap:.5rem;padding:.75rem 1rem 1rem;display:flex}.post-list-filter-modal__clear,.post-list-filter-modal__apply{cursor:pointer;border-radius:4px;flex:1;padding:.55rem 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label{white-space:normal;flex-direction:column;align-items:stretch;gap:.35rem}.post-list-filters--modal select{width:100%;min-width:0}.post-list-filters--modal .date-range-picker{white-space:normal;flex-direction:column;align-items:stretch}.post-list-filters--modal .date-range-picker__trigger{width:100%;min-width:0}.post-list-filters--modal .date-range-picker__popover{z-index:320;left:0;right:auto}.post-list-filters__row,.post-list-filters__checks{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:.65rem 1rem;display:flex}.post-list-filters label{font-size:inherit;white-space:nowrap;flex-direction:row;align-items:center;gap:.4rem;font-weight:600;display:flex}.post-list-filters select{min-width:7rem;font-size:inherit;border:1px solid var(--color-border);appearance:none;background-color:var(--white);cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 12 8'%3E%3Cpath fill='%23004691' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");background-position:right .45rem center;background-repeat:no-repeat;padding:.25rem 1.35rem .25rem .45rem;line-height:1.3}.post-list-filters select:hover{border-color:var(--dentsu-blue);background-color:var(--color-sky-50)}.date-range-picker{white-space:nowrap;align-items:center;gap:.4rem;font-size:.75rem;font-weight:600;display:flex;position:relative}.date-range-picker__label{flex-shrink:0}.date-range-picker__trigger{border:1px solid var(--color-border);background:var(--color-white);min-width:7rem;color:var(--text-dark);font-size:inherit;text-align:left;cursor:pointer;border-radius:4px;padding:.25rem 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.35rem);right:0}.date-range-picker__header{justify-content:space-between;align-items:center;margin-bottom:.5rem;display:flex}.date-range-picker__title{color:var(--dentsu-blue);font-size:.875rem;font-weight:700}.date-range-picker__nav{border:1px solid var(--color-border);background:var(--color-white);width:1.75rem;height:1.75rem;color:var(--dentsu-blue);cursor:pointer;border-radius:4px;justify-content:center;align-items:center;padding:0;font-size:1.125rem;line-height:1;display:inline-flex}.date-range-picker__nav:hover{border-color:var(--dentsu-blue);background:var(--color-sky-50)}.date-range-picker__weekdays,.date-range-picker__grid{grid-template-columns:repeat(7,1fr);gap:.15rem;display:grid}.date-range-picker__weekdays{margin-bottom:.25rem}.date-range-picker__weekday{color:var(--color-text-muted);text-align:center;font-size:.6875rem;font-weight:600}.date-range-picker__day{aspect-ratio:1;width:100%;color:var(--text-dark);cursor:pointer;background:0 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