:root{
  --bg:#0f1720;
  --card:#0b1220;
  --text:#e6eef8;
  --muted:#9fb0c8;
  --accent:#6ee7b7;
  --tl-date-width:72px;
  --max-width:900px;
  --radius:12px;
}
*{box-sizing:border-box}
.root-font{font-size:18px}
body{margin:0;font-family:'Zen Maru Gothic', Inter, ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', 'Meiryo', sans-serif; background:linear-gradient(180deg,#061021 0%, #071427 60%); color:var(--text); -webkit-font-smoothing:antialiased;font-size:18px}
.container{max-width:var(--max-width);margin:0 auto;padding:16px}
.site-header{border-bottom:1px solid rgba(255,255,255,0.03);padding:10px 0}
.site-header #title{font-size:1.5rem;margin:0}
.site-header #title a{color:var(--text);text-decoration:none}
.site-header #title a:hover{text-decoration:underline}
.site-header .container{display:flex;align-items:center;justify-content:space-between}
.lang-toggle{background:transparent;border:1px solid rgba(255,255,255,0.06);color:var(--muted);padding:6px 10px;border-radius:8px;cursor:pointer}
.profile{display:flex;gap:16px;align-items:center;padding:20px 0}
.avatar{width:120px;height:120px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--accent),#7dd3fc);color:#052023;font-weight:700;overflow:hidden;box-shadow: 0 8px 24px rgba(0,0,0,0.3);transition: transform 0.2s ease-in-out;}
.avatar img{width:100%;height:100%;object-fit:cover;display:block}
.avatar:hover {
  transform: scale(1.05);
}
.bio{flex:1}
.bio h2{margin:0 0 8px 0}
.links{margin:12px 0 18px 0;padding-left:18px;color:var(--muted)}
.callout{background:rgba(255,255,255,0.02);padding:10px;border-radius:10px;color:var(--muted)}
.meta{margin-top:6px;color:var(--muted)}
.links a{color:var(--accent);text-decoration:none}
.links a:hover,.links a:focus{color:var(--text);text-decoration:underline}
.site-footer a{color:var(--accent);text-decoration:none}
.site-footer a:hover,.site-footer a:focus{color:var(--text);text-decoration:underline}
.site-footer{border-top:1px solid rgba(255,255,255,0.03);padding:12px 0;margin-top:24px;text-align:center;color:var(--muted)}



.music{margin-top:12px}
.music h3{margin:8px 0}
.embed-wrapper{max-width:720px;width:100%;margin:0 auto;border-radius:20px;overflow:hidden;box-shadow:0 6px 18px rgba(2,6,23,0.6)}
.embed-wrapper iframe{display:block;border:0;width:100%;height:352px}


.timeline{margin-top:20px}
.timeline h3{margin:8px 0}
.timeline-vertical{position:relative;padding:12px 0}
.timeline-vertical .tl-line{position:absolute;left:72px;top:0;bottom:0;width:2px;background:linear-gradient(180deg,var(--accent),rgba(125,211,252,0.6));opacity:0.9}
.tl-item{display:flex;gap:16px;align-items:flex-start;padding:18px 12px}
.tl-date{width:64px;flex-shrink:0;color:var(--muted);font-weight:700}
.tl-card{background:rgba(255,255,255,0.02);padding:12px 14px;border-radius:10px;box-shadow:0 6px 18px rgba(2,6,23,0.5);max-width:720px;flex:1;min-width:0}
.tl-card h4{margin:0;font-size:1rem}
.tl-card .desc{color:var(--muted);margin-top:6px;font-size:0.95rem}
.tl-item::before{content:'';position:absolute;left:66px;width:14px;height:14px;border-radius:50%;background:var(--accent);transform:translateY(22px);box-shadow:0 0 0 6px rgba(110,231,183,0.06)}





.github-link{position:fixed;top:16px;right:16px;z-index:9999;background:rgba(255,255,255,0.03);padding:8px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;transition:transform .12s ease,background .12s ease}
.github-link svg{width:28px;height:28px;fill:var(--text);display:block}
.github-link:hover{transform:translateY(-3px);background:rgba(255,255,255,0.06)}
.github-link:focus{outline:3px solid rgba(110,231,183,0.9);outline-offset:2px}
@media (max-width:480px){.github-link{top:12px;right:12px;width:48px;height:48px}.github-link svg{width:22px;height:22px}}


.site-nav a{color:var(--muted);text-decoration:none;margin-left:12px}
.site-nav a:hover{color:var(--text)}
.blog-list{padding-top:8px}
.post-item{padding:12px 0;border-bottom:1px solid rgba(255,255,255,0.02)}
.post-item h3{margin:0;font-size:1.05rem}
.post-item .meta{color:var(--muted);font-size:0.9rem;margin-top:6px}
.post-item .excerpt{color:var(--muted);margin-top:8px}
.tags{margin-left:8px}
.tag{display:inline-block;background:rgba(255,255,255,0.02);padding:4px 8px;border-radius:999px;margin-right:6px;font-size:0.8rem;color:var(--muted)}
.post-content{padding-top:12px}
.post-content #post-title{font-size:2rem; margin-bottom: 0.5em;}
.post-content #post-body{margin-top:12px}
#post-body a{color:var(--accent);text-decoration:none}
#post-body a:hover{text-decoration:underline}
.blog-toolbar{display:flex;justify-content:space-between;align-items:center;padding:8px 0}
.lang-switch a{color:var(--text);text-decoration:none}
.lang-switch a:hover{color:var(--text)}



.floating-menu{position:fixed;left:50%;transform:translateX(-50%);bottom:18px;top:auto;z-index:99999}
.fm-toggle{background:rgba(110,231,183,0.12);border:1px solid rgba(110,231,183,0.22);color:var(--text);padding:14px 28px;border-radius:999px;cursor:pointer;font-size:17px;font-weight:800;box-shadow:0 10px 30px rgba(110,231,183,0.10);backdrop-filter:blur(6px);transition:transform .14s ease,box-shadow .14s ease,background .14s ease}
.fm-toggle:hover,.floating-menu .fm-toggle:focus{transform:translateY(-4px) scale(1.03);box-shadow:0 18px 44px rgba(110,231,183,0.18);background:rgba(110,231,183,0.16)}
.fm-toggle:active{transform:translateY(-1px) scale(0.995)}
.fm-panel{position:absolute;left:50%;transform:translateX(-50%);bottom:calc(100% + 14px);background:rgba(7,12,22,0.88);padding:14px;border-radius:14px;box-shadow:0 12px 36px rgba(2,6,23,0.65);min-width:260px;border:1px solid rgba(110,231,183,0.07);backdrop-filter:blur(8px)}
.fm-panel a{display:block;color:var(--text);text-decoration:none;padding:6px 0}
.fm-panel a:hover{color:var(--text)}
.fm-lang{color:var(--muted);margin-top:8px}
.fm-lang-buttons{display:flex;gap:8px;margin-top:6px}
.fm-lang-btn{background:transparent;border:1px solid rgba(255,255,255,0.04);color:var(--muted);padding:6px 8px;border-radius:8px;cursor:pointer}
.fm-lang-btn:hover{color:var(--text);border-color:rgba(255,255,255,0.08)}

.lang-note{color:var(--muted);font-size:0.85rem;margin-left:8px}

@media (max-width: 640px) {
  .container { padding: 12px; }
  .site-header #title{font-size:1.25rem}
  .profile { flex-direction: column; align-items: flex-start; }
  .avatar { width: 80px; height: 80px; font-size: 40px; }
  .embed-wrapper { max-width: 100%; }
  .floating-menu { left: 50%; transform: translateX(-50%); bottom: 12px; }
  .fm-panel { min-width: 160px; }
  .timeline-vertical .tl-line { left: 58px; }
  .tl-item { gap: 12px; }
  .tl-date { width: 48px; font-size: 0.9rem; }
  .tl-item::before { left: 52px; transform: translateY(18px); }
}

@media (prefers-reduced-motion: reduce){
  .fm-toggle{transition:none}
  .fm-toggle:hover{transform:none}
}


.site-nav{display:none}

.tl-card h4 a,
.post-item > a {
  color: inherit; 
  text-decoration: none; 
}

.tl-card h4 a:hover,
.post-item > a:hover {
  color: var(--text);
}
.footer-nav {
  margin-bottom: 12px;
  display: flex;
  gap: 16px;
  justify-content: center;
}
.footer-nav a {
  color: var(--muted);
  text-decoration: none;
}
.footer-nav a:hover {
  color: var(--text);
  text-decoration: underline;
}

/* from style.css */

.container > header {
    text-align: center;
    margin-bottom: 2rem;
}

.container > header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
    color: var(--text);
}

.subtitle {
    color: var(--muted);
    font-size: 1rem;
    margin-bottom: 2.5rem;
}

.search-container {
    max-width: 500px;
    margin: 0 auto;
}

.search-wrapper {
    position: relative;
    margin-bottom: 1rem;
}

#search-input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    border: 1px solid var(--card);
    border-radius: 8px;
    background: var(--card);
    color: var(--text);
    font-size: 1rem;
    transition: border-color 0.2s ease;
}

#search-input:focus {
    outline: none;
    border-color: var(--accent);
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--muted);
    font-size: 1.2rem;
    pointer-events: none;
}

/* Tags Filter */
.tags-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
}

.filter-tag {
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    border: 1px solid var(--card);
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s ease;
    font-family: inherit;
}

.filter-tag:hover,
.filter-tag.active {
    background: var(--accent);
    color: var(--bg);
    border-color: var(--accent);
}

/* Tool Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.tool-card {
    background: var(--card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 1.5rem;
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
}

.tool-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-color: var(--accent);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.icon-box {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    background: var(--bg);
    color: var(--text);
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
}

.card-description {
    color: var(--muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
    line-height: 1.5;
}

.card-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: auto;
}

.card-tag {
    font-size: 0.75rem;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    background: var(--bg);
    color: var(--muted);
}

/* Responsive */
@media (max-width: 600px) {
    .container {
        padding: 2rem 1rem;
    }

    h1 {
        font-size: 1.75rem;
    }

    .tools-grid {
        grid-template-columns: 1fr;
    }
}

.toolbox-container {
    padding-top: 0;
}